Finding the Fourth Proportional to 708,090.27, 977,152.17 and 385,802.68
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Solution
The fourth proportional to 708,090.27, 977,152.17 and 385,802.68 is: 532,400.94
Step by Step Solution
- Step 1: Write the proportion equation
708,090.27 : 977,152.17 = 385,802.68 : x - Step 2: Convert to fraction form
708,090.27/977,152.17 = 385,802.68/x - Step 3: Cross multiply
708,090.27x = 977,152.17 × 385,802.68 - Step 4: Simplify right side
708,090.27x = 376,987,925,953.82 - Step 5: Solve for x
x = 376,987,925,953.82/708,090.27 - Step 6: Final answer
x = 532,400.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.